Write the reaction for the ionization of acetic acid in water, and use the known K value and an ICE table to calculate the concentration of hydronium ion at equilibrium for a solution that has an initial acetic acid concentration of [HC -1.50M Assume the initial concentration of hydronium and acetate in solution is negligible, and K,-1.8E-05 [H3O+]: Report your answer in scientific notation in the form "X.XE-X